"Effects of Passive Static Stretching of 30 Seconds Versus 60 Seconds on the Hamstring Flexibility in Adults With Hamstring Tightness.

This study is a randomised controlled trial and the purpose of this study is to determine the effects of Passive Static Stretching of 30 seconds versus 60 seconds on the Hamstring Flexibility in adults with Hamstring Tightness. The study is conducted in Rehabilitation department of Fauji Foundation Hospital on the sample of 38 participants. Hamstring flexibility will be evaluated at the beginning by Active knee extension test. The subjects will be randomized into two group by sealed envelope method. Baseline assessment would be done by using tools of SLR and modified knee extension test and then final assessment will be done after 4 weeks.